Portable sawmill upper carriage front



FIG. 1 is a top front perspective view of a portable sawmill upper carriage front showing the design thereof;

FIG. 2 is a top rear perspective view of the design shown in FIG. 1;

FIG. 3 is a front elevation view of the design shown in FIG. 1;

FIG. 4 is a back elevation view of the design shown in FIG. 1;

FIG. 5 is a left side elevation view of the design shown in FIG. 1;

FIG. 6 is right side elevation view of the design shown in FIG. 1;

FIG. 7 is top plan view of the design shown in FIG. 1; and,

FIG. 8 is bottom plan view of the design shown in FIG. 1.

The broken lines in the drawings depict unclaimed environmental subject matter. 

CLAIM We claim the ornamental design for a portable sawmill upper carriage front, as shown and described. 